Final answer:
The most appropriate course of action would be to report the abuse to the appropriate authorities and prioritize the well-being of the child.
Step-by-step explanation:
The most appropriate course of action in this situation is to report the sexual abuse to the appropriate authorities. As a tutor, you are required to respect the privacy and safety of the students on the platform. It is important to prioritize the well-being of the child and take immediate action to ensure their safety. Encourage Bernice to confide in a trusted adult and consider involving a counselor or therapist who specializes in trauma and abuse.